ChemInform Abstract: Chiral Imidodiphosphoric Acids-Catalyzed Friedel—Crafts Reactions of Indoles/Pyrroles with 3-Hydroxy-indolyloxindoles: Enantioselective Synthesis of 3,3-Diaryloxindoles.
Novel types of 3,3-di(heteroaryl)oxindoles are obtained from the first organocatalytic, enantioselective Friedel—Crafts alkylation of indoles and pyrroles, respectively, with 3-hydroxy-indolyloxindoles.